QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem905548
USGS iscgem905548
1 May 1933, 20:51
143 km SE of Kuril’sk, Russia
A magnitude 6.3 mw earthquake at 35 km depth.
Published location
Where is 143 km SE of Kuril’sk, Russia?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
44.462000, 149.346000
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What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
iscgem905548
Coordinates
44.462, 149.346
Network
iscgem
Significance
613